:root{--ink:#1a2340;--ink-2:#5a6478;--ink-3:#9aa3b5;--line:#ecefF4;--paper:#ffffff;--wash:#fafbfd;--accent:#3b6fe0;--accent-soft:#eef3fd;--shadow-s:0 1px 2px rgba(23,30,43,.04),0 2px 8px rgba(23,30,43,.03);--shadow-m:0 2px 6px rgba(23,30,43,.05),0 12px 32px rgba(23,30,43,.06)}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{overflow-x:hidden;max-width:100%}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--wash);color:var(--ink);min-height:100vh;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
.top{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.88);backdrop-filter:blur(16px) saturate(1.4);border-bottom:1px solid var(--line)}
.top-in{max-width:1160px;margin:0 auto;padding:0 28px;height:72px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:12px;color:var(--ink)}
.logo .mark{width:40px;height:40px;flex:none;display:block;filter:drop-shadow(0 4px 12px rgba(22,119,255,.28))}
.logo .mark svg{width:100%;height:100%;display:block}
.logo .word{display:flex;flex-direction:column;gap:1px}
.logo .row{display:flex;align-items:center;gap:6px}
.logo .word b{font-size:23px;font-weight:800;letter-spacing:.10em;line-height:1}
.logo .tag{font-size:10px;letter-spacing:.32em;color:var(--ink-3);line-height:1;text-transform:uppercase}
.logo .n06{font-size:14px;font-weight:800;letter-spacing:.04em;color:#fff;padding:3px 7px;border-radius:6px;line-height:1;background:linear-gradient(145deg,#4a7bf0,#2a5bd7);box-shadow:0 2px 6px rgba(42,91,215,.30)}
.nav{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.nav a{font-size:13.5px;color:var(--ink-2);position:relative;padding:8px 0;letter-spacing:.04em;transition:color .18s}
.nav a:hover{color:var(--ink)}
.nav a.on{color:var(--accent);font-weight:600}
.nav .btn{padding:10px 22px;border-radius:10px;font-size:14px;font-weight:600;color:#fff;background:linear-gradient(145deg,#4a7bf0,#2a5bd7);box-shadow:0 4px 14px rgba(42,91,215,.25);transition:transform .18s,box-shadow .18s}
.nav .btn:hover{transform:translateY(-1px)}
.burger{display:none;width:42px;height:42px;border:none;background:none;cursor:pointer;position:relative;border-radius:10px;transition:background .15s}
.burger:hover{background:var(--accent-soft)}
.burger span,.burger span::before,.burger span::after{content:"";position:absolute;left:11px;width:20px;height:1.5px;background:var(--ink);border-radius:2px;transition:all .22s}
.burger span{top:20px}
.burger span::before{top:-6px;left:0}
.burger span::after{top:6px;left:0}
.burger.x span{background:transparent}
.burger.x span::before{top:0;transform:rotate(45deg)}
.burger.x span::after{top:0;transform:rotate(-45deg)}
@media(max-width:840px){
  .burger{display:block}
  .nav{position:fixed;top:72px;right:0;width:min(76vw,320px);height:calc(100vh - 72px);flex-direction:column;align-items:flex-start;gap:6px;padding:28px 30px;background:var(--paper);border-left:1px solid var(--line);box-shadow:-16px 0 40px rgba(23,30,43,.07);transform:translateX(100%);transition:transform .28s cubic-bezier(.2,.7,.3,1)}
  .nav.open{transform:translateX(0)}
  .nav a{font-size:15.5px;padding:12px 0}
  .nav .btn{margin-top:16px;padding:12px 30px}
}
.main{max-width:1160px;margin:0 auto;padding:60px 28px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);padding:7px 14px;border-radius:999px;font-weight:600}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:8px 0 48px}
.hero-inner h1{font-size:clamp(30px,4.2vw,48px);line-height:1.1;font-weight:800;letter-spacing:-.01em;margin:22px 0 0;color:var(--ink)}
.hero-inner h1 em{font-style:normal;color:var(--accent)}
.hero-inner p.lead{font-size:16px;line-height:1.75;color:var(--ink-2);margin:20px 0 0}
.cta{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.cta a{display:inline-flex;align-items:center;gap:8px;padding:14px 30px;border-radius:12px;font-size:15px;font-weight:600;transition:transform .18s,box-shadow .18s}
.cta .go{color:#fff;background:linear-gradient(145deg,#4a7bf0,#2a5bd7);box-shadow:0 6px 18px rgba(42,91,215,.28)}
.cta .go:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(42,91,215,.34)}
.cta .talk{color:var(--ink);background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow-s)}
.cta .talk:hover{transform:translateY(-2px);border-color:#cdd8f0}
.visual-card{background:var(--paper);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-m);padding:28px}
.vc-title{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:18px;display:flex;align-items:center;gap:8px}
.vc-title .dot{width:8px;height:8px;border-radius:50%;background:#16a34a;box-shadow:0 0 0 3px rgba(22,163,74,.2);animation:pulse 1.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(22,163,74,.5)}70%{box-shadow:0 0 0 7px rgba(22,163,74,0)}100%{box-shadow:0 0 0 0 rgba(22,163,74,0)}}
.vc-row{display:flex;align-items:center;justify-content:space-between;padding:11px 14px;border-radius:10px;margin-bottom:8px;background:var(--wash);border:1px solid var(--line);font-size:13.5px}
.vc-num{font-family:ui-monospace,monospace;color:var(--ink);flex:1;font-size:12px}
.vc-cnt{font-size:12px;color:var(--ink-3);flex:1;text-align:center}
.vc-st{font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;white-space:nowrap}
.vc-st.ok{color:#16a34a;background:#e9f8ef}
.vc-scroll-wrap{overflow:hidden;height:230px;position:relative;mask-image:linear-gradient(to bottom,transparent,#000 12%,#000 88%,transparent);-webkit-mask-image:linear-gradient(to bottom,transparent,#000 12%,#000 88%,transparent)}
.vc-scroll-track{display:flex;flex-direction:column}
.vc-foot{display:flex;justify-content:space-between;margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);font-size:12px;color:var(--ink-3)}
.vc-foot b{color:var(--accent)}
.sec{margin-top:72px}
.sec-label{font-size:13px;letter-spacing:.28em;text-transform:uppercase;color:var(--accent);font-weight:700}
.sec-h{font-size:clamp(24px,3.4vw,36px);font-weight:800;letter-spacing:-.02em;margin-top:14px;color:var(--ink)}
.sec-p{font-size:15px;line-height:1.75;color:var(--ink-2);margin-top:14px;max-width:620px}
.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px}
.feat{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:26px 22px;transition:box-shadow .2s,transform .2s}
.feat:hover{box-shadow:var(--shadow-m);transform:translateY(-3px)}
.feat .fi{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:22px}
.feat h3{font-size:15px;font-weight:700;color:var(--ink)}
.feat p{font-size:13.5px;line-height:1.65;color:var(--ink-2);margin-top:8px}
.flow-steps{display:flex;align-items:stretch;gap:0;margin-top:32px;overflow-x:auto;padding-bottom:4px}
.flow-step{flex:1;min-width:180px;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:28px 22px;display:flex;gap:16px;align-items:flex-start}
.flow-num{font-size:28px;font-weight:800;color:var(--accent);opacity:.25;line-height:1;flex:none}
.flow-body h3{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:8px}
.flow-body p{font-size:13px;line-height:1.65;color:var(--ink-2)}
.flow-arrow{display:flex;align-items:center;padding:0 10px;font-size:20px;color:var(--ink-3);flex:none;align-self:center}
.faq-list{margin-top:32px;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-q{padding:18px 20px;font-size:15px;font-weight:600;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;user-select:none}
.faq-q::after{content:"+";font-size:18px;font-weight:400;color:var(--ink-3);flex:none;transition:transform .22s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 20px;max-height:0;overflow:hidden;font-size:14px;line-height:1.75;color:var(--ink-2);transition:max-height .3s ease,padding .3s ease}
.faq-item.open .faq-a{max-height:300px;padding:0 20px 18px}
.related-links{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:32px}
.rel-link{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:13.5px;font-weight:600;color:var(--ink-2);text-align:center;transition:border-color .18s,color .18s,box-shadow .18s}
.rel-link:hover{border-color:#cdd8f0;color:var(--accent);box-shadow:var(--shadow-s)}
.cta-band{background:linear-gradient(135deg,#1e4fc7 0%,#3b6fe0 55%,#2a5bd7 100%);border-radius:20px;padding:48px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;margin-top:72px;margin-bottom:56px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(20px,2.8vw,28px);font-weight:800;color:#fff;line-height:1.3}
.cta-band p{font-size:14px;color:rgba(255,255,255,.78);margin-top:8px}
.cta-band .cta-btns{display:flex;gap:12px;flex-wrap:wrap}
.cta-band a{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:12px;font-size:14.5px;font-weight:700;white-space:nowrap;transition:transform .18s,box-shadow .18s}
.cta-band .btn-w{background:#fff;color:#2a5bd7;box-shadow:0 6px 20px rgba(0,0,0,.18)}
.cta-band .btn-o{background:rgba(255,255,255,.18);color:#fff;border:1.5px solid rgba(255,255,255,.4)}
.cta-band a:hover{transform:translateY(-2px)}
.about-d6-main{display:grid;grid-template-columns:1.2fr 1fr;gap:56px;max-width:1160px;margin:0 auto;padding:48px 28px 32px}
.about-d6-brand{display:flex;flex-direction:column;gap:20px}
.about-d6-desc{font-size:14px;line-height:1.75;color:var(--ink-2);max-width:340px}
.about-d6-links{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.about-d6-col{display:flex;flex-direction:column;gap:10px}
.about-d6-col h4{font-size:12.5px;font-weight:700;color:var(--ink);margin-bottom:4px;letter-spacing:.06em;text-transform:uppercase}
.about-d6-col a{font-size:13px;color:var(--ink-2);transition:color .18s}
.about-d6-col a:hover{color:var(--accent)}
.about-d6-bottom{background:var(--wash);border-top:1px solid var(--line);padding:16px 28px;display:flex;align-items:center;justify-content:center}
.about-d6-bottom span{font-size:12px;color:var(--ink-3);letter-spacing:.04em}
.float{position:fixed;right:20px;bottom:32px;z-index:200;display:flex;flex-direction:column;gap:12px}
.float a{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;width:56px;height:68px;border-radius:14px;background:#fff;box-shadow:var(--shadow-m);transition:transform .18s;text-decoration:none}
.float a:hover{transform:translateY(-2px)}
.float .ic{flex:none;width:34px;height:34px;display:flex;align-items:center;justify-content:center}
.float .ic svg,.float .ic img{width:30px;height:30px;display:block;border-radius:50%}
.float .lb{font-size:10px;font-weight:600;color:var(--ink-2);white-space:nowrap;margin-top:3px;line-height:1}
.article-sec{margin-top:72px}
.article-sec h2{font-size:clamp(22px,3vw,32px);font-weight:800;letter-spacing:-.02em;color:var(--ink);margin-top:14px}
.article-body{font-size:15.5px;line-height:1.9;color:var(--ink-2);margin-top:20px}
.article-body p{margin-bottom:16px}
.article-body strong{color:var(--ink);font-weight:600}
@media(max-width:1000px){.hero-inner{grid-template-columns:1fr;gap:28px}.feats{grid-template-columns:repeat(2,1fr)}.related-links{grid-template-columns:repeat(3,1fr)}}
@media(max-width:840px){.about-d6-main{grid-template-columns:1fr;gap:28px}.about-d6-links{grid-template-columns:repeat(2,1fr)}.cta-band{flex-direction:column;padding:32px 24px}.flow-steps{flex-direction:column}.flow-arrow{transform:rotate(90deg);align-self:flex-start;padding:4px 24px}.main{padding:40px 20px 0}.float{right:10px;bottom:20px;gap:10px}.float a{width:50px;height:62px}.float .ic{width:28px;height:28px}.float .ic img{width:24px;height:24px}.float .lb{font-size:9px}}
@media(max-width:640px){.feats{grid-template-columns:1fr}.related-links{grid-template-columns:repeat(2,1fr)}}